Question

A tortoise moves a distance of 100m in 15 minutes, then the average speed of tortoise in km/hr

Answer 1

average speed is a scalar quantity and is described as the the ratio of distance and time
distance is 100m=.1km
time is 15 min=.25 hr

average speed is 0.1÷0.25=0.4km/hr


hope it helps!

Answer 2

HEY MATE, HERE IS YOUR ANSWER
____________________________
____________________________

s=100 m =0.1 km
t=15 min= 0.25 hr
therefore,
avg speed=0.1/0.25 km/hr
________=0.4 km/h